1. AppliedVR, Inc. , Van Nuys, CA 91406-1642, United States
2. Department of Marketing, University of Houston, C.T. Bauer College of Business , Houston, TX 77204-6021, United States
3. Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine , Baltimore, MD 21201, United States
4. Division of Neurosurgery, Pickup Family Neurosciences Institute, Hoag Memorial Hospital , Newport Beach, CA 92663, United States
5. Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine , Palo Alto, CA 94304, United States